#!/bin/sh
#
#	mkconfig -- convert from uClinux/dist config to local .config
#
#	For now we just convert the existing old style configs from the
#	uClinux-dist setup to new style .config for busybox. Eventually
#	I want to switch to new style configs in uClinux-dist and then
#	just include the Kconfig/config.in files here directly.
#

TMP=.config$$.tmp
NEW=.config$$.new

cp defconfig $NEW

# NOTE: Converted to use "tr" to add newlines (\n) as using sed directly
#       to add them is not supported on all platforms.

grep CONFIG_USER_BUSYBOX_ ../../config/.config |
grep -v "^# " |
sed -e 's/^CONFIG_USER_BUSYBOX_//g;s/=y$//g' -e 's/TRUE_FALSE/TRUE^FALSE/' |
tr "^" "\n" |
grep -v '^BUSYBOX$' |
while read OPNAME
do
	cp $NEW $TMP
	awk -v CNAME=CONFIG_$OPNAME -v FNAME=CONFIG_FEATURE_$OPNAME \
		'{ if (($2 == CNAME) || ($2 == FNAME))
			printf "%s=y\n", $2
		   else
			print $0
		 }' < $TMP > $NEW
done

# XXX: Quick and dirty sed hack below to stop the "history size" question
# during build.
cat $NEW | sed -e 's/CONFIG_FEATURE_COMMAND_HISTORY=\([0-9]*\)=y/CONFIG_FEATURE_COMMAND_HISTORY=\1/'
rm -f $NEW $TMP
exit 0